Crash of application using JDBC ODBC bridge

Hello,
Recently my java application started crashing everyday with this error:
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x77f8910e
Function name=RtlEnterCriticalSection
Library=C:\WINNT\system32\ntdll.dll
Current Java thread:
at sun.jdbc.odbc.JdbcOdbc.allocConnect(Native Method)
at sun.jdbc.odbc.JdbcOdbc.SQLAllocConnect(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcDriver.allocConnection(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcConnection.initialize(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at Terminal.getConnection(Terminal.java:152)
at CnetworkFile.unloadBuchung(CnetworkFile.java:3049)
at CnetworkFile.receiveIt(CnetworkFile.java:2693)
at NACController.OnREQCHN(NACController.java:236)
at nacmain.processREQCHN(nacmain.java:394)
at nacmain.access$39(nacmain.java)
at nacmain$IncommingEvents.run(nacmain.java:113)
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x77f8910e
Function name=RtlEnterCriticalSection
Library=C:\WINNT\system32\ntdll.dll
Current Java thread:
at sun.jdbc.odbc.JdbcOdbc.execDirect(Native Method)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(Unknown Source)
at CnetworkFile$onlineAction.lastBookingInformation(CnetworkFile.java:395)
at CnetworkFile$onlineAction.run(CnetworkFile.java:1005)
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x77f8910e
Function name=RtlEnterCriticalSection
Library=C:\WINNT\system32\ntdll.dll
Current Java thread:
at sun.jdbc.odbc.JdbcOdbc.disconnect(Native Method)
at sun.jdbc.odbc.JdbcOdbc.SQLDisconnect(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcDriver.disconnect(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcConnection.close(Unknown Source)
at sun.jdbc.odbc.JdbcOdbcConnection.finalize(Unknown Source)
at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
at java.lang.ref.Finalizer.runFinalizer(Unknown Source)
at java.lang.ref.Finalizer.access$100(Unknown Source)
at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
And the list continues.
The problem i am facing is that even on old versions of my application that had never had a crash befor now it is crashing !!!
Please help !
Time is critical !
Thank you very much !
Best regards,
Mihai

hmmm..... ntdll.dll
i would try the following.
1) reinstall the JVM
2) reinstall the MDAC (M$ data access components)
3) re-install NT.
if you get errors of this type with code that worked before and you haven't changed anything it may just be that some windows files are corrupted and need to be replaced or in the worst case the whole system needs to be re-installed.
you might want to consider not using the jdbc-odbc driver in future to eliminate MDAC and ODBC as possible causes of problems and errors.
otherwise welcome to windows. generally i find NT systems need to be re-installed once every 3 to four months on average if you use them heavily.

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